Category Archives: PEEK
Pro Stock & Special Make Up (SMU) Racquets
Pro Stock & SMU racquets are a huge part of our business and Pro Stock and SMU’s continue to grow!
Soon, we are going to post the current inventory of Pro Stock and SMU racquets that are at the World Headquarters; however, in the meantime, please visit our YouTube channel to see and hear more about what we do.
Full Custom Head Gravity Tour 98!
We receive the racquets in the uncut, raw state, then make them yours.
The finished Pro Stock(s) are made to your specifications:
- Length: Up to 28 inches
- Weight
- Inertia (swing weight)
- Grip pallet: Head TK82 (flat) or TK82S (round)
- Perfect Pallet: Custom Printed Soft Grip System
- Grip size: Size 2 to 4
- Grip Material: Leather or Synthetic
- String
Play Better Longer
For many years, we have been testing all racquets for string bed stiffness, effective stiffness, flexural stiffness, in-plane stiffness, and about any other stiffness you can imagine.
Throughout this process, we were also testing the strings for power potential, creep, string-on-string friction, and linearity.
Linearity is a significant property of string; however, it does not get the attention we believe it deserves. So, this little post will begin to change that. We will start with some images and explain what we see in them.
String Behavior
Four different string materials are represented here from left to right:
- RPM Blast
- IsoSpeed Polypropylene Composite
- Babolat VS Touch Natrual Gut
- Ashaway MonoGut ZX Polyether ether ketone (PEEK)
The entire chart is important, but the real property we are interested in for this post is “linearity”.
- Linearity is how straight the plot is from the beginning to failure.
- Failure is the vertical line associated with each string material.
A glance will show MonoGut ZX with the longest linear track, however, Babolat VS Touch is the very “straightest”, followed by IsoSpeed and RPM Blast.
OK, but why do we care? We care because when we say a string will play better longer, it is based on the linearity which is the property directly related to consistency.
Better predictability = better performance
Players perceive predictability more than raw stiffness.
A string that ages predictably plays better longer, even if it’s not the softest or most powerful.
That’s it!
Now all we need to do is quantify “better”.
I will leave that up to you.
You need to see this!
For years, we have been exploring the properties of materials that make up many of the tennis strings used by players now.
What we found, over fifteen (15) years ago, was that polyetherether ketone (PEEK) is the best string material for preventing arm, elbow, shoulder, and other injuries while enhancing performance.
What!
We love natural gut and use a lot of it; however, PEEK can take more “abuse” than natural gut, environmentally.
If you are joining the Racquet Quest community, you may be perplexed by this statement. And for good reason. If you are not near the world headquarters of Racquet Quest, LLC, you may have never heard of PEEK, marketed by Ashaway as MonoGut ZX and ZX Pro.
Why?
PEEK is a unique fiber that requires an understanding of its properties, unlike most other materials that do not possess the performance properties of PEEK.
Stringing with PEEK requires caring about the player and the racquet!
Jason’s Two (2) month old PEEK 17 gauge!
Previous stringing date: 8.3.25
This is an un-retouched photo of Jason’s Wilson’s RF 01 Pro after many hours of rigorous hitting.
String bed stiffness loss…17.7%!
You need to see this!
Ask your racquet technician to set up your racquet with this string. We believe you will be glad you did.
Players Please…Part Two
Racquet Quest, LLC is for players!
Players’ input helps shape what we do. Now, we would appreciate your help in focusing on what you need, whether you’re a player, parent of a player, coach, or enthusiast.
Racquet Quest evaluates, tests, and reports on anything we can verify.
The Racquet Quest YouTube Channel is a way you can see and hear what we are doing and how it can affect you. So, please spend about 18 minutes with us!
Racquet Quest, LLC
